United States

águia-real

Aquila chrysaetos

ajuga

Ajuga reptans

Endangered

arabidópsis

Arabidopsis thaliana

arara-canindé

Ara ararauna

axenuz

Agrostemma githago

Critically Endangered

bafureira

Ricinus communis

bardana

Arctium lappa

All Species in United States

Blistered Jelly Lichen

Collema nigrescens

Blistered Jellyskin Lichen

Leptogium corticola

Blistered Rock Tripe

Umbilicaria hyperborea

Extinct

Blistered Toadskin Lichen

Lasallia pustulata

Blistered Woodwax

Hygrophorus pustulatus

Blister Flower

Ranunculus bulbosus

Blond Field Ant

Lasius flavus

Blood Iris

Iris sanguinea

Blood Milkwort

Polygala sanguinea

Blood Ragweed

Ambrosia trifida

Blood root

Justicia secunda

Bloodtwig dogwood

Cornus sanguinea

blood worm

Lumbricus rubellus

Bloody-Butcher

Pulmonaria officinalis

Bloody geranium

Geranium sanguineum

Bloody-Heart Lichen

Mycoblastus sanguinarius

Critically Endangered

bloody-red shrimp

Hemimysis anomala

Black Stubble Lichen

Calicium abietinum

Endangered

Black Swallowtail

Papilio polyxenes

Black Tar Spot

Rhytisma acerinum

Blackthread Lichen

Placynthium nigrum

Endangered

black-toothed nodding moss

Pohlia melanodon

Black Vine Weevil

Otiorhynchus sulcatus

Blackwell Switch Grass

Panicum virgatum

Black-Widow

Geranium phaeum

black willow bark louse

Chionaspis salicis

Black Witches' Butter

Exidia glandulosa

Blotched Spurge

Euphorbia maculata

Blue Band Brittlegill

Russula chloroides

Blue Bead-Lily

Clintonia borealis

Blue-Bean

Lupinus perennis

Bluebell

Campanula rotundifolia

Bluebell creeper

Billardiera heterophylla

Bluebells

Mertensia virginica

Blueberry

Vaccinium angustifolium

Blueberry leafroller

Dasystoma salicella

Blue Bottle Fly

Calliphora vomitoria

Blue Buttons

Knautia arvensis

Blue Cardinal Flower

Lobelia siphilitica

Blue Cheese Polypore

Cyanosporus caesius

Blue Comfrey

Symphytum uplandicum

Blue Corky Spine Fungus

Hydnellum caeruleum

Critically Endangered

Blue Crystalwort

Riccia crystallina

Blue Edge Pinkgill

Entoloma serrulatum

Blue Eryngo

Eryngium planum

Board Lichen

Trapeliopsis flexuosa

Boar Thistle

Cirsium arvense

Boccone's sandspurry

Spergularia bocconei

Bodhi tree

Ficus religiosa

bog apple moss

Philonotis marchica

Bog Arum

Calla palustris

Bog Aster

Oclemena nemoralis

Bog Aster

Symphyotrichum puniceum

Bog Beacon

Mitrula paludosa

Bog Bedstraw

Galium labradoricum

Bog Birch

Betula glandulosa

Bog Cranberry

Vaccinium oxycoccos

Bog Groove-Moss

Aulacomnium palustre

bog haircap moss

Polytrichum strictum

Bog Labrador Tea

Rhododendron groenlandicum